// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_ENTRY_H_
#define CONTENT_BROWSER_APPCACHE_APPCACHE_ENTRY_H_

#include <stdint.h>

#include "content/common/appcache_interfaces.h"

namespace content {

// A cached entry is identified by a URL and is classified into one
// (or more) categories.  URL is not stored here as this class is stored
// with the URL as a map key or the user of this class already knows the URL.
class AppCacheEntry {
public:
    // An entry can be of more than one type so use a bitmask.
    // Note: These bit values are stored on disk.
    enum Type {
        MASTER = 1 << 0,
        MANIFEST = 1 << 1,
        EXPLICIT = 1 << 2,
        FOREIGN = 1 << 3,
        FALLBACK = 1 << 4,
        INTERCEPT = 1 << 5,
        EXECUTABLE = 1 << 6,
    };

    AppCacheEntry()
        : types_(0)
        , response_id_(kAppCacheNoResponseId)
        , response_size_(0)
    {
    }

    explicit AppCacheEntry(int type)
        : types_(type)
        , response_id_(kAppCacheNoResponseId)
        , response_size_(0)
    {
    }

    AppCacheEntry(int type, int64_t response_id)
        : types_(type)
        , response_id_(response_id)
        , response_size_(0)
    {
    }

    AppCacheEntry(int type, int64_t response_id, int64_t response_size)
        : types_(type)
        , response_id_(response_id)
        , response_size_(response_size)
    {
    }

    int types() const { return types_; }
    void add_types(int added_types) { types_ |= added_types; }
    bool IsMaster() const { return (types_ & MASTER) != 0; }
    bool IsManifest() const { return (types_ & MANIFEST) != 0; }
    bool IsExplicit() const { return (types_ & EXPLICIT) != 0; }
    bool IsForeign() const { return (types_ & FOREIGN) != 0; }
    bool IsFallback() const { return (types_ & FALLBACK) != 0; }
    bool IsIntercept() const { return (types_ & INTERCEPT) != 0; }
    bool IsExecutable() const { return (types_ & EXECUTABLE) != 0; }

    int64_t response_id() const { return response_id_; }
    void set_response_id(int64_t id) { response_id_ = id; }
    bool has_response_id() const { return response_id_ != kAppCacheNoResponseId; }

    int64_t response_size() const { return response_size_; }
    void set_response_size(int64_t size) { response_size_ = size; }

private:
    int types_;
    int64_t response_id_;
    int64_t response_size_;
};

} // namespace content

#endif // CONTENT_BROWSER_APPCACHE_APPCACHE_ENTRY_H_
